Exam Question
(a) Explain the construction of three phase transformers and their four main types of connections. (10)
(b) Explain the procedure of terminal identification of single phase and three phase induction motor. (6)
Class 4 (4th Engineer)
MET
📅 Nov 2022
Reference Answer
### Part (a): Three-Phase Transformers and Connections (10 Marks)
#### 1. Construction of a Three-Phase Transformer
A three-phase transformer consists of a magnetic core, primary and secondary windings, and ancillary components, all housed within a tank. The construction is designed to efficiently transfer power between two circuits at different voltage levels while minimizing energy losses.
* **Magnetic Core:**
#### 1. Construction of a Three-Phase Transformer
A three-phase transformer consists of a magnetic core, primary and secondary windings, and ancillary components, all housed within a tank. The construction is designed to efficiently transfer power between two circuits at different voltage levels while minimizing energy losses.
* **Magnetic Core:**
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